绿叶胡颓子Elaeagnus viridis Serv.
绿叶胡颓子Elaeagnus viridis Serv.
24.绿叶胡颓子
Elaeagnus viridis Serv. in Bull. Herb. 8oiss. ser. 2, 8: 388. 1908 et in Bot, Centralbl. Beih. 25: 88. f. 28-30. 1909; Rehd. in Sarg., Pl. Wils. 2: 414, 191; Hand.-Mazz., Symb. Sin. 7: 591. 1933.
常绿直立小灌木,高约2米,具刺,刺纤细,长约10毫米;幼枝略扁棱形,密被锈色鳞片,老枝鳞片脱落,灰褐色或黑色。叶薄革质或纸质,椭圆形至矩圆状椭圆形,长2.5-6.5厘米,宽1.2-2.6厘米,两端钝尖,全缘,上面幼时被褐色鳞片,成熟后脱落,深绿色, 下面除中脉褐色外银白色,密被银白色和散生少数褐色鳞片,侧脉6-7对,与中脉开展成45度的角,两面略明显;叶柄锈色,长5-7毫米。花白色,俯垂,密被银白色和散生少数褐色鳞片,1-3花簇生叶腋短小枝上;花梗长2-3毫米;苞片线形,早落;萼筒短圆筒形,长4.5-5毫米,裂片宽卵形或卵状三角形,长2.5毫米,顶端渐尖,内面疏生白色星状短柔毛,包围子房的萼管长椭圆形,长1.5-v2.5毫米;雄蕊4,花丝极短,花药椭圆形;花柱直立,微被星状短柔毛,顶端微弯曲,超过雄蕊,达裂片1/3,长5.5毫米。果实未见。花期10-11月。
产陕西南部、湖北西部;生于海拔500-1200米的向阳沙质土壤的灌丛中。模式标本采自湖北宜昌。
本种与长叶胡颓子E. bockii Diels相近,区别在于本种的萼筒长4.5-5毫米,裂片宽卵形或卵状三角形,长2.5毫米,花柱微被星状短柔毛;叶片较小,椭圆形。
《Flora of China》 Vol. 13 (2007)
Elaeagnus viridis Servettaz
绿叶胡颓子 lü ye hu tui zi
Elaeagnus viridis var. delavayi Lecomte.
Shrubs, evergreen, erect, to 2 m tall. Spines sometimes strongly reflexed, ca. 1 cm, slender; young branches with dense rust-colored scales. Petiole rust-colored, 5-7 mm; leaf blade adaxially drying green, elliptic to oblong-elliptic, 2.5-6.5 × 1.2-2.6 cm, thinly leathery or papery, abaxially densely silvery scaly, lateral veins 6 or 7 per side of midrib, slightly conspicuous on both surfaces, base cuneate, margin entire, apex acute. Flowers 1-3 in axils. Pedicel 2-3 mm; fruiting pedicel ca. 15 mm. Flowers nodding, white, outside densely silvery scaly. Calyx tube broadly tubular, ca. 5 mm; lobes broadly ovate or ovate-triangular, ca. 2.5 mm, inside sparsely whitely stellate, apex acuminate. Filaments very short; anthers oblong. Style erect, sparsely stellate-hairy. Drupe ellipsoid, ca. 1.3 × 0.7 cm, silvery scaly (var. delavayi). Fl. Oct-Nov.
● Open bushland on sandy soil; 500-1200 m. W Hubei, S Shanxi.
Fruiting material has been described as Elaeagnus viridis var. delavayi but it is not possible to assess the status of such plants without knowledge of comparable material of both var. viridis and var. delavayi.
别名:羊奶果;白绿叶;丽江绿胡颓子;天青地白;
科名:胡颓子科 Elaeagnaceae
属名:胡颓子属 Elaeagnus
24.绿叶胡颓子
Elaeagnus viridis Serv. in Bull. Herb. 8oiss. ser. 2, 8: 388. 1908 et in Bot, Centralbl. Beih. 25: 88. f. 28-30. 1909; Rehd. in Sarg., Pl. Wils. 2: 414, 191; Hand.-Mazz., Symb. Sin. 7: 591. 1933.
常绿直立小灌木,高约2米,具刺,刺纤细,长约10毫米;幼枝略扁棱形,密被锈色鳞片,老枝鳞片脱落,灰褐色或黑色。叶薄革质或纸质,椭圆形至矩圆状椭圆形,长2.5-6.5厘米,宽1.2-2.6厘米,两端钝尖,全缘,上面幼时被褐色鳞片,成熟后脱落,深绿色, 下面除中脉褐色外银白色,密被银白色和散生少数褐色鳞片,侧脉6-7对,与中脉开展成45度的角,两面略明显;叶柄锈色,长5-7毫米。花白色,俯垂,密被银白色和散生少数褐色鳞片,1-3花簇生叶腋短小枝上;花梗长2-3毫米;苞片线形,早落;萼筒短圆筒形,长4.5-5毫米,裂片宽卵形或卵状三角形,长2.5毫米,顶端渐尖,内面疏生白色星状短柔毛,包围子房的萼管长椭圆形,长1.5-v2.5毫米;雄蕊4,花丝极短,花药椭圆形;花柱直立,微被星状短柔毛,顶端微弯曲,超过雄蕊,达裂片1/3,长5.5毫米。果实未见。花期10-11月。
产陕西南部、湖北西部;生于海拔500-1200米的向阳沙质土壤的灌丛中。模式标本采自湖北宜昌。
本种与长叶胡颓子E. bockii Diels相近,区别在于本种的萼筒长4.5-5毫米,裂片宽卵形或卵状三角形,长2.5毫米,花柱微被星状短柔毛;叶片较小,椭圆形。
《Flora of China》 Vol. 13 (2007)
Elaeagnus viridis Servettaz
绿叶胡颓子 lü ye hu tui zi
Elaeagnus viridis var. delavayi Lecomte.
Shrubs, evergreen, erect, to 2 m tall. Spines sometimes strongly reflexed, ca. 1 cm, slender; young branches with dense rust-colored scales. Petiole rust-colored, 5-7 mm; leaf blade adaxially drying green, elliptic to oblong-elliptic, 2.5-6.5 × 1.2-2.6 cm, thinly leathery or papery, abaxially densely silvery scaly, lateral veins 6 or 7 per side of midrib, slightly conspicuous on both surfaces, base cuneate, margin entire, apex acute. Flowers 1-3 in axils. Pedicel 2-3 mm; fruiting pedicel ca. 15 mm. Flowers nodding, white, outside densely silvery scaly. Calyx tube broadly tubular, ca. 5 mm; lobes broadly ovate or ovate-triangular, ca. 2.5 mm, inside sparsely whitely stellate, apex acuminate. Filaments very short; anthers oblong. Style erect, sparsely stellate-hairy. Drupe ellipsoid, ca. 1.3 × 0.7 cm, silvery scaly (var. delavayi). Fl. Oct-Nov.
● Open bushland on sandy soil; 500-1200 m. W Hubei, S Shanxi.
Fruiting material has been described as Elaeagnus viridis var. delavayi but it is not possible to assess the status of such plants without knowledge of comparable material of both var. viridis and var. delavayi.